diff --git a/parts/1-packages.tex b/parts/1-packages.tex
index a8df686..81550ee 100644
--- a/parts/1-packages.tex
+++ b/parts/1-packages.tex
@@ -13,7 +13,7 @@
 \usepackage{fancyvrb}
 \usepackage{sim-os-menus}
 %\usepackage{etoolbox}
-\usepackage{imakeidx}
+\usepackage[splitindex]{imakeidx}
 \usepackage{aurical} % Font for section titles
 %\usepackage{libertinus} % Font for section titles
 %\usepackage{uncial} % Font for section titles